13139342 has 8 divisors (see below), whose sum is σ = 19736136. Its totient is φ = 6560632.

The previous prime is 13139341. The next prime is 13139369. The reversal of 13139342 is 24393131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13139341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (2467017).

Almost surely, 2^13139342 is an apocalyptic number.

13139342 is a deficient number, since it is larger than the sum of its proper divisors (6596794).

13139342 is an equidigital number, since it uses as much as digits as its factorization.

13139342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042.

The product of its digits is 1944, while the sum is 26.

The square root of 13139342 is about 3624.8230301630. The cubic root of 13139342 is about 235.9705866819.

The spelling of 13139342 in words is "thirteen million, one hundred thirty-nine thousand, three hundred forty-two".